class AddParentIdToComics < ActiveRecord::Migration
  def self.up
    add_column :comics, :parent_id, :integer
	add_column :comics, :thumbnail, :string
	remove_column :comics, :description
	remove_column :comics, :title
	add_column :comics, :alt_text, :text
  end

  def self.down
    remove_column :comics, :parent_id
	add_column :comics, :description, :text
	add_column :comics, :string
	remove_column :comics, :alt_text
  end
end
